A simple method for determining the effects of bolt–hole clearance on load distribution in single-column multi-bolt composite joints

2006 ◽  
Vol 73 (1) ◽  
pp. 78-87 ◽  
Author(s):  
M.A. McCarthy ◽  
C.T. McCarthy ◽  
G.S. Padhi
Keyword(s):  
Load Distribution ◽  
Composite Joints ◽  
Simple Method ◽  
Single Column

Effects of material nonlinearity on load distribution in multi-bolt composite joints

2015 ◽  
Vol 125 ◽  
pp. 195-201 ◽  
Author(s):  
F. Taheri-Behrooz ◽  
A.R. Shamaei Kashani ◽  
R.N. Hefzabad
Keyword(s):  
Load Distribution ◽  
Material Nonlinearity ◽  
Composite Joints

A Single Column Method for the Determination of Urinary δ-Aminolevulinic Acid

1969 ◽  
Vol 15 (3) ◽  
pp. 183-189 ◽  
Author(s):  
Mu-Wan Sun ◽  
Edward Stein ◽  
Frances W Gruen
Keyword(s):  
Ion Exchange ◽  
Lead Poisoning ◽  
Aminolevulinic Acid ◽  
Simple Method ◽  
Exchange Column ◽  
Column Method ◽  
Single Column ◽  
Ion Exchange Column

Abstract A simple method for determination of urinary δ-aminolevulinic acid is described. Its advantage over procedures now in use is in the utilization of a single ion-exchange column instead of two ion-exchange columns, with resulting saving of time, labor, and material. The method is accurate and useful in screening for lead poisoning.

Load Distribution in Two-Pinned Polymer Composite Joints

1991 ◽  
pp. 553-574 ◽  
Author(s):  
S. F. M. Abd-El-Naby ◽  
L. Hollaway ◽  
M. Gunn
Keyword(s):  
Polymer Composite ◽  
Load Distribution ◽  
Composite Joints

Effects of missing fasteners on the mechanical behavior of double-lap, multi-row composite bolted joints

2018 ◽  
Vol 52 (28) ◽  
pp. 3919-3933
Author(s):  
Fujian Zhuang ◽  
Puhui Chen
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Load Distribution ◽  
Mechanical Characteristics ◽  
Joint Stiffness ◽  
Element Model ◽  
Bolted Joints ◽  
Explicit Finite Element ◽  
Single Column ◽  
Failure Loads

This paper presents a numerical investigation into the effects of missing fasteners on the mechanical characteristics of double-lap, multi-row composite bolted joints. A highly efficient explicit finite element model, which was validated effective and accurate by experiments, was developed and employed to conduct the virtual tests. Single-column and multi-column joints with various positions of missing fastener were considered. It is shown that the removal of fasteners can reduce the joint stiffness significantly, especially in joints with fewer columns or missing fasteners in the outside rows. The removal of fasteners can also cause considerable reductions in both the initial significant failure loads and ultimate loads of multi-column joints, while in single-column joints only the initial significant failure loads are influenced. Considering the load distribution, it is suggested that bolts in the same column as or in the adjacent column to the missing fastener experience a notable growth in load. Meanwhile, if a bolt bears more loads in the pristine joint, the larger changes in stiffness, ultimate strength, and load distribution may be obtained when it is lost.

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